20993700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:806

約数の個数: 144

約数和(自身を含む): 74856320

約数和(自身を除く): 53862620

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, 769, 780, 910, 975, 1050, 1092, 1300, 1365, 1538, 1820, 1950, 2100, 2275, 2307, 2730, 3076, 3845, 3900, 4550, 4614, 5383, 5460, 6825, 7690, 9100, 9228, 9997, 10766, 11535, 13650, 15380, 16149, 19225, 19994, 21532, 23070, 26915, 27300, 29991, 32298, 38450, 39988, 46140, 49985, 53830, 57675, 59982, 64596, 69979, 76900, 80745, 99970, 107660, 115350, 119964, 134575, 139958, 149955, 161490, 199940, 209937, 230700, 249925, 269150, 279916, 299910, 322980, 349895, 403725, 419874, 499850, 538300, 599820, 699790, 749775, 807450, 839748, 999700, 1049685, 1399580, 1499550, 1614900, 1749475, 2099370, 2999100, 3498950, 4198740, 5248425, 6997900, 10496850, 20993700]

約数ペア:

[(1, 20993700), (2, 10496850), (3, 6997900), (4, 5248425), (5, 4198740), (6, 3498950), (7, 2999100), (10, 2099370), (12, 1749475), (13, 1614900), (14, 1499550), (15, 1399580), (20, 1049685), (21, 999700), (25, 839748), (26, 807450), (28, 749775), (30, 699790), (35, 599820), (39, 538300), (42, 499850), (50, 419874), (52, 403725), (60, 349895), (65, 322980), (70, 299910), (75, 279916), (78, 269150), (84, 249925), (91, 230700), (100, 209937), (105, 199940), (130, 161490), (140, 149955), (150, 139958), (156, 134575), (175, 119964), (182, 115350), (195, 107660), (210, 99970), (260, 80745), (273, 76900), (300, 69979), (325, 64596), (350, 59982), (364, 57675), (390, 53830), (420, 49985), (455, 46140), (525, 39988), (546, 38450), (650, 32298), (700, 29991), (769, 27300), (780, 26915), (910, 23070), (975, 21532), (1050, 19994), (1092, 19225), (1300, 16149), (1365, 15380), (1538, 13650), (1820, 11535), (1950, 10766), (2100, 9997), (2275, 9228), (2307, 9100), (2730, 7690), (3076, 6825), (3845, 5460), (3900, 5383), (4550, 4614)]