20249964796

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{61}}^2\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 37941976800

約数和(自身を除く): 17692012004

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 149, 244, 298, 397, 596, 794, 1403, 1588, 2806, 3427, 3721, 5612, 6854, 7442, 9089, 9131, 13708, 14884, 18178, 18262, 24217, 36356, 36524, 48434, 59153, 85583, 96868, 118306, 171166, 209047, 236612, 342332, 418094, 554429, 556991, 836188, 1108858, 1113982, 1360519, 1477237, 2217716, 2227964, 2721038, 2954474, 3608333, 5442076, 5908948, 7216666, 12751867, 14433332, 25503734, 33976451, 51007468, 67952902, 82991659, 135905804, 165983318, 220108313, 331966636, 440216626, 880433252, 5062491199, 10124982398, 20249964796]

約数ペア:

[(1, 20249964796), (2, 10124982398), (4, 5062491199), (23, 880433252), (46, 440216626), (61, 331966636), (92, 220108313), (122, 165983318), (149, 135905804), (244, 82991659), (298, 67952902), (397, 51007468), (596, 33976451), (794, 25503734), (1403, 14433332), (1588, 12751867), (2806, 7216666), (3427, 5908948), (3721, 5442076), (5612, 3608333), (6854, 2954474), (7442, 2721038), (9089, 2227964), (9131, 2217716), (13708, 1477237), (14884, 1360519), (18178, 1113982), (18262, 1108858), (24217, 836188), (36356, 556991), (36524, 554429), (48434, 418094), (59153, 342332), (85583, 236612), (96868, 209047), (118306, 171166)]