20320933504

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{11719}}^1$

素因数の和:11806

約数の個数: 128

約数和(自身を含む): 45904896000

約数和(自身を除く): 25583962496

約数列:

[1, 2, 4, 8, 16, 19, 23, 31, 32, 38, 46, 62, 64, 76, 92, 124, 128, 152, 184, 248, 304, 368, 437, 496, 589, 608, 713, 736, 874, 992, 1178, 1216, 1426, 1472, 1748, 1984, 2356, 2432, 2852, 2944, 3496, 3968, 4712, 5704, 6992, 9424, 11408, 11719, 13547, 13984, 18848, 22816, 23438, 27094, 27968, 37696, 45632, 46876, 54188, 55936, 75392, 91264, 93752, 108376, 187504, 216752, 222661, 269537, 363289, 375008, 433504, 445322, 539074, 726578, 750016, 867008, 890644, 1078148, 1453156, 1500032, 1734016, 1781288, 2156296, 2906312, 3562576, 4312592, 5121203, 5812624, 6902491, 7125152, 8355647, 8625184, 10242406, 11625248, 13804982, 14250304, 16711294, 17250368, 20484812, 23250496, 27609964, 28500608, 33422588, 34500736, 40969624, 46500992, 55219928, 66845176, 81939248, 110439856, 133690352, 158757293, 163878496, 220879712, 267380704, 317514586, 327756992, 441759424, 534761408, 635029172, 655513984, 883518848, 1069522816, 1270058344, 2540116688, 5080233376, 10160466752, 20320933504]

約数ペア:

[(1, 20320933504), (2, 10160466752), (4, 5080233376), (8, 2540116688), (16, 1270058344), (19, 1069522816), (23, 883518848), (31, 655513984), (32, 635029172), (38, 534761408), (46, 441759424), (62, 327756992), (64, 317514586), (76, 267380704), (92, 220879712), (124, 163878496), (128, 158757293), (152, 133690352), (184, 110439856), (248, 81939248), (304, 66845176), (368, 55219928), (437, 46500992), (496, 40969624), (589, 34500736), (608, 33422588), (713, 28500608), (736, 27609964), (874, 23250496), (992, 20484812), (1178, 17250368), (1216, 16711294), (1426, 14250304), (1472, 13804982), (1748, 11625248), (1984, 10242406), (2356, 8625184), (2432, 8355647), (2852, 7125152), (2944, 6902491), (3496, 5812624), (3968, 5121203), (4712, 4312592), (5704, 3562576), (6992, 2906312), (9424, 2156296), (11408, 1781288), (11719, 1734016), (13547, 1500032), (13984, 1453156), (18848, 1078148), (22816, 890644), (23438, 867008), (27094, 750016), (27968, 726578), (37696, 539074), (45632, 445322), (46876, 433504), (54188, 375008), (55936, 363289), (75392, 269537), (91264, 222661), (93752, 216752), (108376, 187504)]