20148788210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{65719}}^1$

素因数の和:65823

約数の個数: 64

約数和(自身を含む): 39974584320

約数和(自身を除く): 19825796110

約数列:

[1, 2, 5, 10, 23, 31, 43, 46, 62, 86, 115, 155, 215, 230, 310, 430, 713, 989, 1333, 1426, 1978, 2666, 3565, 4945, 6665, 7130, 9890, 13330, 30659, 61318, 65719, 131438, 153295, 306590, 328595, 657190, 1511537, 2037289, 2825917, 3023074, 4074578, 5651834, 7557685, 10186445, 14129585, 15115370, 20372890, 28259170, 46857647, 64996091, 87603427, 93715294, 129992182, 175206854, 234288235, 324980455, 438017135, 468576470, 649960910, 876034270, 2014878821, 4029757642, 10074394105, 20148788210]

約数ペア:

[(1, 20148788210), (2, 10074394105), (5, 4029757642), (10, 2014878821), (23, 876034270), (31, 649960910), (43, 468576470), (46, 438017135), (62, 324980455), (86, 234288235), (115, 175206854), (155, 129992182), (215, 93715294), (230, 87603427), (310, 64996091), (430, 46857647), (713, 28259170), (989, 20372890), (1333, 15115370), (1426, 14129585), (1978, 10186445), (2666, 7557685), (3565, 5651834), (4945, 4074578), (6665, 3023074), (7130, 2825917), (9890, 2037289), (13330, 1511537), (30659, 657190), (61318, 328595), (65719, 306590), (131438, 153295)]