20804535738

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{439}}^1\times {\mathrm{53731}}^1$

素因数の和:54192

約数の個数: 72

約数和(自身を含む): 52556343840

約数和(自身を除く): 31751808102

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 439, 441, 878, 882, 1317, 2634, 3073, 3951, 6146, 7902, 9219, 18438, 21511, 27657, 43022, 53731, 55314, 64533, 107462, 129066, 161193, 193599, 322386, 376117, 387198, 483579, 752234, 967158, 1128351, 2256702, 2632819, 3385053, 5265638, 6770106, 7898457, 15796914, 23587909, 23695371, 47175818, 47390742, 70763727, 141527454, 165115363, 212291181, 330230726, 424582362, 495346089, 990692178, 1155807541, 1486038267, 2311615082, 2972076534, 3467422623, 6934845246, 10402267869, 20804535738]

約数ペア:

[(1, 20804535738), (2, 10402267869), (3, 6934845246), (6, 3467422623), (7, 2972076534), (9, 2311615082), (14, 1486038267), (18, 1155807541), (21, 990692178), (42, 495346089), (49, 424582362), (63, 330230726), (98, 212291181), (126, 165115363), (147, 141527454), (294, 70763727), (439, 47390742), (441, 47175818), (878, 23695371), (882, 23587909), (1317, 15796914), (2634, 7898457), (3073, 6770106), (3951, 5265638), (6146, 3385053), (7902, 2632819), (9219, 2256702), (18438, 1128351), (21511, 967158), (27657, 752234), (43022, 483579), (53731, 387198), (55314, 376117), (64533, 322386), (107462, 193599), (129066, 161193)]