20996875802

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{6911}}^1$

素因数の和:7107

約数の個数: 64

約数和(自身を含む): 37902090240

約数和(自身を除く): 16905214438

約数列:

[1, 2, 7, 14, 41, 67, 79, 82, 134, 158, 287, 469, 553, 574, 938, 1106, 2747, 3239, 5293, 5494, 6478, 6911, 10586, 13822, 19229, 22673, 37051, 38458, 45346, 48377, 74102, 96754, 217013, 283351, 434026, 463037, 545969, 566702, 926074, 1091938, 1519091, 1983457, 3038182, 3241259, 3821783, 3966914, 6482518, 7643566, 18984517, 22384729, 36579923, 37969034, 44769458, 73159846, 132891619, 156693103, 256059461, 265783238, 313386206, 512118922, 1499776843, 2999553686, 10498437901, 20996875802]

約数ペア:

[(1, 20996875802), (2, 10498437901), (7, 2999553686), (14, 1499776843), (41, 512118922), (67, 313386206), (79, 265783238), (82, 256059461), (134, 156693103), (158, 132891619), (287, 73159846), (469, 44769458), (553, 37969034), (574, 36579923), (938, 22384729), (1106, 18984517), (2747, 7643566), (3239, 6482518), (5293, 3966914), (5494, 3821783), (6478, 3241259), (6911, 3038182), (10586, 1983457), (13822, 1519091), (19229, 1091938), (22673, 926074), (37051, 566702), (38458, 545969), (45346, 463037), (48377, 434026), (74102, 283351), (96754, 217013)]