20564438640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{983}}^1\times {\mathrm{1301}}^1$

素因数の和:2367

約数の個数: 160

約数和(自身を含む): 64816851456

約数和(自身を除く): 44252412816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 67, 80, 120, 134, 201, 240, 268, 335, 402, 536, 670, 804, 983, 1005, 1072, 1301, 1340, 1608, 1966, 2010, 2602, 2680, 2949, 3216, 3903, 3932, 4020, 4915, 5204, 5360, 5898, 6505, 7806, 7864, 8040, 9830, 10408, 11796, 13010, 14745, 15612, 15728, 16080, 19515, 19660, 20816, 23592, 26020, 29490, 31224, 39030, 39320, 47184, 52040, 58980, 62448, 65861, 78060, 78640, 87167, 104080, 117960, 131722, 156120, 174334, 197583, 235920, 261501, 263444, 312240, 329305, 348668, 395166, 435835, 523002, 526888, 658610, 697336, 790332, 871670, 987915, 1046004, 1053776, 1278883, 1307505, 1317220, 1394672, 1580664, 1743340, 1975830, 2092008, 2557766, 2615010, 2634440, 3161328, 3486680, 3836649, 3951660, 4184016, 5115532, 5230020, 5268880, 6394415, 6973360, 7673298, 7903320, 10231064, 10460040, 12788830, 15346596, 15806640, 19183245, 20462128, 20920080, 25577660, 30693192, 38366490, 51155320, 61386384, 76732980, 85685161, 102310640, 153465960, 171370322, 257055483, 306931920, 342740644, 428425805, 514110966, 685481288, 856851610, 1028221932, 1285277415, 1370962576, 1713703220, 2056443864, 2570554830, 3427406440, 4112887728, 5141109660, 6854812880, 10282219320, 20564438640]

約数ペア:

[(1, 20564438640), (2, 10282219320), (3, 6854812880), (4, 5141109660), (5, 4112887728), (6, 3427406440), (8, 2570554830), (10, 2056443864), (12, 1713703220), (15, 1370962576), (16, 1285277415), (20, 1028221932), (24, 856851610), (30, 685481288), (40, 514110966), (48, 428425805), (60, 342740644), (67, 306931920), (80, 257055483), (120, 171370322), (134, 153465960), (201, 102310640), (240, 85685161), (268, 76732980), (335, 61386384), (402, 51155320), (536, 38366490), (670, 30693192), (804, 25577660), (983, 20920080), (1005, 20462128), (1072, 19183245), (1301, 15806640), (1340, 15346596), (1608, 12788830), (1966, 10460040), (2010, 10231064), (2602, 7903320), (2680, 7673298), (2949, 6973360), (3216, 6394415), (3903, 5268880), (3932, 5230020), (4020, 5115532), (4915, 4184016), (5204, 3951660), (5360, 3836649), (5898, 3486680), (6505, 3161328), (7806, 2634440), (7864, 2615010), (8040, 2557766), (9830, 2092008), (10408, 1975830), (11796, 1743340), (13010, 1580664), (14745, 1394672), (15612, 1317220), (15728, 1307505), (16080, 1278883), (19515, 1053776), (19660, 1046004), (20816, 987915), (23592, 871670), (26020, 790332), (29490, 697336), (31224, 658610), (39030, 526888), (39320, 523002), (47184, 435835), (52040, 395166), (58980, 348668), (62448, 329305), (65861, 312240), (78060, 263444), (78640, 261501), (87167, 235920), (104080, 197583), (117960, 174334), (131722, 156120)]