20131718736

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{361873}}^1$

素因数の和:361964

約数の個数: 80

約数和(自身を含む): 55641746240

約数和(自身を除く): 35510027504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 61, 76, 114, 122, 152, 183, 228, 244, 304, 366, 456, 488, 732, 912, 976, 1159, 1464, 2318, 2928, 3477, 4636, 6954, 9272, 13908, 18544, 27816, 55632, 361873, 723746, 1085619, 1447492, 2171238, 2894984, 4342476, 5789968, 6875587, 8684952, 13751174, 17369904, 20626761, 22074253, 27502348, 41253522, 44148506, 55004696, 66222759, 82507044, 88297012, 110009392, 132445518, 165014088, 176594024, 264891036, 330028176, 353188048, 419410807, 529782072, 838821614, 1059564144, 1258232421, 1677643228, 2516464842, 3355286456, 5032929684, 6710572912, 10065859368, 20131718736]

約数ペア:

[(1, 20131718736), (2, 10065859368), (3, 6710572912), (4, 5032929684), (6, 3355286456), (8, 2516464842), (12, 1677643228), (16, 1258232421), (19, 1059564144), (24, 838821614), (38, 529782072), (48, 419410807), (57, 353188048), (61, 330028176), (76, 264891036), (114, 176594024), (122, 165014088), (152, 132445518), (183, 110009392), (228, 88297012), (244, 82507044), (304, 66222759), (366, 55004696), (456, 44148506), (488, 41253522), (732, 27502348), (912, 22074253), (976, 20626761), (1159, 17369904), (1464, 13751174), (2318, 8684952), (2928, 6875587), (3477, 5789968), (4636, 4342476), (6954, 2894984), (9272, 2171238), (13908, 1447492), (18544, 1085619), (27816, 723746), (55632, 361873)]