20770600

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 52731000

約数和(自身を除く): 31960400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 41, 50, 68, 82, 85, 100, 136, 149, 164, 170, 200, 205, 298, 328, 340, 410, 425, 596, 680, 697, 745, 820, 850, 1025, 1192, 1394, 1490, 1640, 1700, 2050, 2533, 2788, 2980, 3400, 3485, 3725, 4100, 5066, 5576, 5960, 6109, 6970, 7450, 8200, 10132, 12218, 12665, 13940, 14900, 17425, 20264, 24436, 25330, 27880, 29800, 30545, 34850, 48872, 50660, 61090, 63325, 69700, 101320, 103853, 122180, 126650, 139400, 152725, 207706, 244360, 253300, 305450, 415412, 506600, 519265, 610900, 830824, 1038530, 1221800, 2077060, 2596325, 4154120, 5192650, 10385300, 20770600]

約数ペア:

[(1, 20770600), (2, 10385300), (4, 5192650), (5, 4154120), (8, 2596325), (10, 2077060), (17, 1221800), (20, 1038530), (25, 830824), (34, 610900), (40, 519265), (41, 506600), (50, 415412), (68, 305450), (82, 253300), (85, 244360), (100, 207706), (136, 152725), (149, 139400), (164, 126650), (170, 122180), (200, 103853), (205, 101320), (298, 69700), (328, 63325), (340, 61090), (410, 50660), (425, 48872), (596, 34850), (680, 30545), (697, 29800), (745, 27880), (820, 25330), (850, 24436), (1025, 20264), (1192, 17425), (1394, 14900), (1490, 13940), (1640, 12665), (1700, 12218), (2050, 10132), (2533, 8200), (2788, 7450), (2980, 6970), (3400, 6109), (3485, 5960), (3725, 5576), (4100, 5066)]