20747610

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 62415360

約数和(自身を除く): 41667750

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 27, 30, 39, 45, 46, 54, 65, 69, 78, 90, 115, 117, 130, 135, 138, 195, 207, 230, 234, 257, 270, 299, 345, 351, 390, 414, 514, 585, 598, 621, 690, 702, 771, 897, 1035, 1170, 1242, 1285, 1495, 1542, 1755, 1794, 2070, 2313, 2570, 2691, 2990, 3105, 3341, 3510, 3855, 4485, 4626, 5382, 5911, 6210, 6682, 6939, 7710, 8073, 8970, 10023, 11565, 11822, 13455, 13878, 16146, 16705, 17733, 20046, 23130, 26910, 29555, 30069, 33410, 34695, 35466, 40365, 50115, 53199, 59110, 60138, 69390, 76843, 80730, 88665, 90207, 100230, 106398, 150345, 153686, 159597, 177330, 180414, 230529, 265995, 300690, 319194, 384215, 451035, 461058, 531990, 691587, 768430, 797985, 902070, 1152645, 1383174, 1595970, 2074761, 2305290, 3457935, 4149522, 6915870, 10373805, 20747610]

約数ペア:

[(1, 20747610), (2, 10373805), (3, 6915870), (5, 4149522), (6, 3457935), (9, 2305290), (10, 2074761), (13, 1595970), (15, 1383174), (18, 1152645), (23, 902070), (26, 797985), (27, 768430), (30, 691587), (39, 531990), (45, 461058), (46, 451035), (54, 384215), (65, 319194), (69, 300690), (78, 265995), (90, 230529), (115, 180414), (117, 177330), (130, 159597), (135, 153686), (138, 150345), (195, 106398), (207, 100230), (230, 90207), (234, 88665), (257, 80730), (270, 76843), (299, 69390), (345, 60138), (351, 59110), (390, 53199), (414, 50115), (514, 40365), (585, 35466), (598, 34695), (621, 33410), (690, 30069), (702, 29555), (771, 26910), (897, 23130), (1035, 20046), (1170, 17733), (1242, 16705), (1285, 16146), (1495, 13878), (1542, 13455), (1755, 11822), (1794, 11565), (2070, 10023), (2313, 8970), (2570, 8073), (2691, 7710), (2990, 6939), (3105, 6682), (3341, 6210), (3510, 5911), (3855, 5382), (4485, 4626)]