20701060020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{7219}}^1$

素因数の和:7502

約数の個数: 144

約数和(自身を含む): 63862344000

約数和(自身を除く): 43161283980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 179, 180, 267, 356, 358, 445, 534, 537, 716, 801, 890, 895, 1068, 1074, 1335, 1602, 1611, 1780, 1790, 2148, 2670, 2685, 3204, 3222, 3580, 4005, 5340, 5370, 6444, 7219, 8010, 8055, 10740, 14438, 15931, 16020, 16110, 21657, 28876, 31862, 32220, 36095, 43314, 47793, 63724, 64971, 72190, 79655, 86628, 95586, 108285, 129942, 143379, 144380, 159310, 191172, 216570, 238965, 259884, 286758, 318620, 324855, 433140, 477930, 573516, 642491, 649710, 716895, 955860, 1284982, 1292201, 1299420, 1433790, 1927473, 2569964, 2584402, 2867580, 3212455, 3854946, 3876603, 5168804, 5782419, 6424910, 6461005, 7709892, 7753206, 9637365, 11564838, 11629809, 12849820, 12922010, 15506412, 19274730, 19383015, 23129676, 23259618, 25844020, 28912095, 38549460, 38766030, 46519236, 57824190, 58149045, 77532060, 115005889, 115648380, 116298090, 230011778, 232596180, 345017667, 460023556, 575029445, 690035334, 1035053001, 1150058890, 1380070668, 1725088335, 2070106002, 2300117780, 3450176670, 4140212004, 5175265005, 6900353340, 10350530010, 20701060020]

約数ペア:

[(1, 20701060020), (2, 10350530010), (3, 6900353340), (4, 5175265005), (5, 4140212004), (6, 3450176670), (9, 2300117780), (10, 2070106002), (12, 1725088335), (15, 1380070668), (18, 1150058890), (20, 1035053001), (30, 690035334), (36, 575029445), (45, 460023556), (60, 345017667), (89, 232596180), (90, 230011778), (178, 116298090), (179, 115648380), (180, 115005889), (267, 77532060), (356, 58149045), (358, 57824190), (445, 46519236), (534, 38766030), (537, 38549460), (716, 28912095), (801, 25844020), (890, 23259618), (895, 23129676), (1068, 19383015), (1074, 19274730), (1335, 15506412), (1602, 12922010), (1611, 12849820), (1780, 11629809), (1790, 11564838), (2148, 9637365), (2670, 7753206), (2685, 7709892), (3204, 6461005), (3222, 6424910), (3580, 5782419), (4005, 5168804), (5340, 3876603), (5370, 3854946), (6444, 3212455), (7219, 2867580), (8010, 2584402), (8055, 2569964), (10740, 1927473), (14438, 1433790), (15931, 1299420), (16020, 1292201), (16110, 1284982), (21657, 955860), (28876, 716895), (31862, 649710), (32220, 642491), (36095, 573516), (43314, 477930), (47793, 433140), (63724, 324855), (64971, 318620), (72190, 286758), (79655, 259884), (86628, 238965), (95586, 216570), (108285, 191172), (129942, 159310), (143379, 144380)]