20946900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 67370688

約数和(自身を除く): 46423788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 41, 50, 52, 60, 65, 75, 78, 82, 100, 123, 130, 131, 150, 156, 164, 195, 205, 246, 260, 262, 300, 325, 390, 393, 410, 492, 524, 533, 615, 650, 655, 780, 786, 820, 975, 1025, 1066, 1230, 1300, 1310, 1572, 1599, 1703, 1950, 1965, 2050, 2132, 2460, 2620, 2665, 3075, 3198, 3275, 3406, 3900, 3930, 4100, 5109, 5330, 5371, 6150, 6396, 6550, 6812, 7860, 7995, 8515, 9825, 10218, 10660, 10742, 12300, 13100, 13325, 15990, 16113, 17030, 19650, 20436, 21484, 25545, 26650, 26855, 31980, 32226, 34060, 39300, 39975, 42575, 51090, 53300, 53710, 64452, 69823, 79950, 80565, 85150, 102180, 107420, 127725, 134275, 139646, 159900, 161130, 170300, 209469, 255450, 268550, 279292, 322260, 349115, 402825, 418938, 510900, 537100, 698230, 805650, 837876, 1047345, 1396460, 1611300, 1745575, 2094690, 3491150, 4189380, 5236725, 6982300, 10473450, 20946900]

約数ペア:

[(1, 20946900), (2, 10473450), (3, 6982300), (4, 5236725), (5, 4189380), (6, 3491150), (10, 2094690), (12, 1745575), (13, 1611300), (15, 1396460), (20, 1047345), (25, 837876), (26, 805650), (30, 698230), (39, 537100), (41, 510900), (50, 418938), (52, 402825), (60, 349115), (65, 322260), (75, 279292), (78, 268550), (82, 255450), (100, 209469), (123, 170300), (130, 161130), (131, 159900), (150, 139646), (156, 134275), (164, 127725), (195, 107420), (205, 102180), (246, 85150), (260, 80565), (262, 79950), (300, 69823), (325, 64452), (390, 53710), (393, 53300), (410, 51090), (492, 42575), (524, 39975), (533, 39300), (615, 34060), (650, 32226), (655, 31980), (780, 26855), (786, 26650), (820, 25545), (975, 21484), (1025, 20436), (1066, 19650), (1230, 17030), (1300, 16113), (1310, 15990), (1572, 13325), (1599, 13100), (1703, 12300), (1950, 10742), (1965, 10660), (2050, 10218), (2132, 9825), (2460, 8515), (2620, 7995), (2665, 7860), (3075, 6812), (3198, 6550), (3275, 6396), (3406, 6150), (3900, 5371), (3930, 5330), (4100, 5109)]