20056380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 59609088

約数和(自身を除く): 39552708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 41, 60, 62, 82, 93, 123, 124, 155, 164, 186, 205, 246, 263, 310, 372, 410, 465, 492, 526, 615, 620, 789, 820, 930, 1052, 1230, 1271, 1315, 1578, 1860, 2460, 2542, 2630, 3156, 3813, 3945, 5084, 5260, 6355, 7626, 7890, 8153, 10783, 12710, 15252, 15780, 16306, 19065, 21566, 24459, 25420, 32349, 32612, 38130, 40765, 43132, 48918, 53915, 64698, 76260, 81530, 97836, 107830, 122295, 129396, 161745, 163060, 215660, 244590, 323490, 334273, 489180, 646980, 668546, 1002819, 1337092, 1671365, 2005638, 3342730, 4011276, 5014095, 6685460, 10028190, 20056380]

約数ペア:

[(1, 20056380), (2, 10028190), (3, 6685460), (4, 5014095), (5, 4011276), (6, 3342730), (10, 2005638), (12, 1671365), (15, 1337092), (20, 1002819), (30, 668546), (31, 646980), (41, 489180), (60, 334273), (62, 323490), (82, 244590), (93, 215660), (123, 163060), (124, 161745), (155, 129396), (164, 122295), (186, 107830), (205, 97836), (246, 81530), (263, 76260), (310, 64698), (372, 53915), (410, 48918), (465, 43132), (492, 40765), (526, 38130), (615, 32612), (620, 32349), (789, 25420), (820, 24459), (930, 21566), (1052, 19065), (1230, 16306), (1271, 15780), (1315, 15252), (1578, 12710), (1860, 10783), (2460, 8153), (2542, 7890), (2630, 7626), (3156, 6355), (3813, 5260), (3945, 5084)]