20267758420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{16547}}^1$

素因数の和:17249

約数の個数: 96

約数和(自身を含む): 52465367808

約数和(自身を除く): 32197609388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 673, 910, 1346, 1820, 2692, 3365, 4711, 6730, 8749, 9422, 13460, 16547, 17498, 18844, 23555, 33094, 34996, 43745, 47110, 61243, 66188, 82735, 87490, 94220, 115829, 122486, 165470, 174980, 215111, 231658, 244972, 306215, 330940, 430222, 463316, 579145, 612430, 860444, 1075555, 1158290, 1224860, 1505777, 2151110, 2316580, 3011554, 4302220, 6023108, 7528885, 11136131, 15057770, 22272262, 30115540, 44544524, 55680655, 77952917, 111361310, 144769703, 155905834, 222722620, 289539406, 311811668, 389764585, 579078812, 723848515, 779529170, 1013387921, 1447697030, 1559058340, 2026775842, 2895394060, 4053551684, 5066939605, 10133879210, 20267758420]

約数ペア:

[(1, 20267758420), (2, 10133879210), (4, 5066939605), (5, 4053551684), (7, 2895394060), (10, 2026775842), (13, 1559058340), (14, 1447697030), (20, 1013387921), (26, 779529170), (28, 723848515), (35, 579078812), (52, 389764585), (65, 311811668), (70, 289539406), (91, 222722620), (130, 155905834), (140, 144769703), (182, 111361310), (260, 77952917), (364, 55680655), (455, 44544524), (673, 30115540), (910, 22272262), (1346, 15057770), (1820, 11136131), (2692, 7528885), (3365, 6023108), (4711, 4302220), (6730, 3011554), (8749, 2316580), (9422, 2151110), (13460, 1505777), (16547, 1224860), (17498, 1158290), (18844, 1075555), (23555, 860444), (33094, 612430), (34996, 579145), (43745, 463316), (47110, 430222), (61243, 330940), (66188, 306215), (82735, 244972), (87490, 231658), (94220, 215111), (115829, 174980), (122486, 165470)]