20010900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{733}}^1$

素因数の和:770

約数の個数: 144

約数和(自身を含む): 71356544

約数和(自身を除く): 51345644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 300, 325, 350, 364, 390, 420, 455, 525, 546, 650, 700, 733, 780, 910, 975, 1050, 1092, 1300, 1365, 1466, 1820, 1950, 2100, 2199, 2275, 2730, 2932, 3665, 3900, 4398, 4550, 5131, 5460, 6825, 7330, 8796, 9100, 9529, 10262, 10995, 13650, 14660, 15393, 18325, 19058, 20524, 21990, 25655, 27300, 28587, 30786, 36650, 38116, 43980, 47645, 51310, 54975, 57174, 61572, 66703, 73300, 76965, 95290, 102620, 109950, 114348, 128275, 133406, 142935, 153930, 190580, 200109, 219900, 238225, 256550, 266812, 285870, 307860, 333515, 384825, 400218, 476450, 513100, 571740, 667030, 714675, 769650, 800436, 952900, 1000545, 1334060, 1429350, 1539300, 1667575, 2001090, 2858700, 3335150, 4002180, 5002725, 6670300, 10005450, 20010900]

約数ペア:

[(1, 20010900), (2, 10005450), (3, 6670300), (4, 5002725), (5, 4002180), (6, 3335150), (7, 2858700), (10, 2001090), (12, 1667575), (13, 1539300), (14, 1429350), (15, 1334060), (20, 1000545), (21, 952900), (25, 800436), (26, 769650), (28, 714675), (30, 667030), (35, 571740), (39, 513100), (42, 476450), (50, 400218), (52, 384825), (60, 333515), (65, 307860), (70, 285870), (75, 266812), (78, 256550), (84, 238225), (91, 219900), (100, 200109), (105, 190580), (130, 153930), (140, 142935), (150, 133406), (156, 128275), (175, 114348), (182, 109950), (195, 102620), (210, 95290), (260, 76965), (273, 73300), (300, 66703), (325, 61572), (350, 57174), (364, 54975), (390, 51310), (420, 47645), (455, 43980), (525, 38116), (546, 36650), (650, 30786), (700, 28587), (733, 27300), (780, 25655), (910, 21990), (975, 20524), (1050, 19058), (1092, 18325), (1300, 15393), (1365, 14660), (1466, 13650), (1820, 10995), (1950, 10262), (2100, 9529), (2199, 9100), (2275, 8796), (2730, 7330), (2932, 6825), (3665, 5460), (3900, 5131), (4398, 4550)]