20122189072

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1\times {\mathrm{331}}^1$

素因数の和:912

約数の個数: 80

約数和(自身を含む): 40072931200

約数和(自身を除く): 19950742128

約数列:

[1, 2, 4, 8, 16, 61, 122, 199, 244, 313, 331, 398, 488, 626, 662, 796, 976, 1252, 1324, 1592, 2504, 2648, 3184, 5008, 5296, 12139, 19093, 20191, 24278, 38186, 40382, 48556, 62287, 65869, 76372, 80764, 97112, 103603, 124574, 131738, 152744, 161528, 194224, 207206, 249148, 263476, 305488, 323056, 414412, 498296, 526952, 828824, 996592, 1053904, 1657648, 3799507, 4018009, 6319783, 7599014, 8036018, 12639566, 15198028, 16072036, 20616997, 25279132, 30396056, 32144072, 41233994, 50558264, 60792112, 64288144, 82467988, 101116528, 164935976, 329871952, 1257636817, 2515273634, 5030547268, 10061094536, 20122189072]

約数ペア:

[(1, 20122189072), (2, 10061094536), (4, 5030547268), (8, 2515273634), (16, 1257636817), (61, 329871952), (122, 164935976), (199, 101116528), (244, 82467988), (313, 64288144), (331, 60792112), (398, 50558264), (488, 41233994), (626, 32144072), (662, 30396056), (796, 25279132), (976, 20616997), (1252, 16072036), (1324, 15198028), (1592, 12639566), (2504, 8036018), (2648, 7599014), (3184, 6319783), (5008, 4018009), (5296, 3799507), (12139, 1657648), (19093, 1053904), (20191, 996592), (24278, 828824), (38186, 526952), (40382, 498296), (48556, 414412), (62287, 323056), (65869, 305488), (76372, 263476), (80764, 249148), (97112, 207206), (103603, 194224), (124574, 161528), (131738, 152744)]