20354100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 67370688

約数和(自身を除く): 47016588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 25, 26, 30, 34, 39, 50, 51, 52, 60, 65, 68, 75, 78, 85, 100, 102, 130, 150, 156, 170, 195, 204, 221, 255, 260, 300, 307, 325, 340, 390, 425, 442, 510, 614, 650, 663, 780, 850, 884, 921, 975, 1020, 1105, 1228, 1275, 1300, 1326, 1535, 1700, 1842, 1950, 2210, 2550, 2652, 3070, 3315, 3684, 3900, 3991, 4420, 4605, 5100, 5219, 5525, 6140, 6630, 7675, 7982, 9210, 10438, 11050, 11973, 13260, 15350, 15657, 15964, 16575, 18420, 19955, 20876, 22100, 23025, 23946, 26095, 30700, 31314, 33150, 39910, 46050, 47892, 52190, 59865, 62628, 66300, 67847, 78285, 79820, 92100, 99775, 104380, 119730, 130475, 135694, 156570, 199550, 203541, 239460, 260950, 271388, 299325, 313140, 339235, 391425, 399100, 407082, 521900, 598650, 678470, 782850, 814164, 1017705, 1197300, 1356940, 1565700, 1696175, 2035410, 3392350, 4070820, 5088525, 6784700, 10177050, 20354100]

約数ペア:

[(1, 20354100), (2, 10177050), (3, 6784700), (4, 5088525), (5, 4070820), (6, 3392350), (10, 2035410), (12, 1696175), (13, 1565700), (15, 1356940), (17, 1197300), (20, 1017705), (25, 814164), (26, 782850), (30, 678470), (34, 598650), (39, 521900), (50, 407082), (51, 399100), (52, 391425), (60, 339235), (65, 313140), (68, 299325), (75, 271388), (78, 260950), (85, 239460), (100, 203541), (102, 199550), (130, 156570), (150, 135694), (156, 130475), (170, 119730), (195, 104380), (204, 99775), (221, 92100), (255, 79820), (260, 78285), (300, 67847), (307, 66300), (325, 62628), (340, 59865), (390, 52190), (425, 47892), (442, 46050), (510, 39910), (614, 33150), (650, 31314), (663, 30700), (780, 26095), (850, 23946), (884, 23025), (921, 22100), (975, 20876), (1020, 19955), (1105, 18420), (1228, 16575), (1275, 15964), (1300, 15657), (1326, 15350), (1535, 13260), (1700, 11973), (1842, 11050), (1950, 10438), (2210, 9210), (2550, 7982), (2652, 7675), (3070, 6630), (3315, 6140), (3684, 5525), (3900, 5219), (3991, 5100), (4420, 4605)]