20211289332

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1114

約数の個数: 144

約数和(自身を含む): 52227907200

約数和(自身を除く): 32016617868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 169, 183, 199, 244, 338, 366, 398, 507, 597, 676, 732, 793, 796, 821, 1014, 1194, 1586, 1642, 2028, 2379, 2388, 2463, 2587, 3172, 3284, 4758, 4926, 5174, 7761, 9516, 9852, 10309, 10348, 10673, 12139, 15522, 20618, 21346, 24278, 30927, 31044, 32019, 33631, 36417, 41236, 42692, 48556, 50081, 61854, 64038, 67262, 72834, 100162, 100893, 123708, 128076, 134524, 138749, 145668, 150243, 157807, 163379, 200324, 201786, 277498, 300486, 315614, 326758, 403572, 416247, 473421, 490137, 554996, 600972, 631228, 651053, 653516, 832494, 946842, 980274, 1302106, 1664988, 1893684, 1953159, 1960548, 2051491, 2123927, 2604212, 3906318, 4102982, 4247854, 6154473, 6371781, 7812636, 8205964, 8463689, 8495708, 9966119, 12308946, 12743562, 16927378, 19932238, 24617892, 25391067, 25487124, 27611051, 29898357, 33854756, 39864476, 50782134, 55222102, 59796714, 82833153, 101564268, 110444204, 119593428, 129559547, 165666306, 259119094, 331332612, 388678641, 518238188, 777357282, 1554714564, 1684274111, 3368548222, 5052822333, 6737096444, 10105644666, 20211289332]

約数ペア:

[(1, 20211289332), (2, 10105644666), (3, 6737096444), (4, 5052822333), (6, 3368548222), (12, 1684274111), (13, 1554714564), (26, 777357282), (39, 518238188), (52, 388678641), (61, 331332612), (78, 259119094), (122, 165666306), (156, 129559547), (169, 119593428), (183, 110444204), (199, 101564268), (244, 82833153), (338, 59796714), (366, 55222102), (398, 50782134), (507, 39864476), (597, 33854756), (676, 29898357), (732, 27611051), (793, 25487124), (796, 25391067), (821, 24617892), (1014, 19932238), (1194, 16927378), (1586, 12743562), (1642, 12308946), (2028, 9966119), (2379, 8495708), (2388, 8463689), (2463, 8205964), (2587, 7812636), (3172, 6371781), (3284, 6154473), (4758, 4247854), (4926, 4102982), (5174, 3906318), (7761, 2604212), (9516, 2123927), (9852, 2051491), (10309, 1960548), (10348, 1953159), (10673, 1893684), (12139, 1664988), (15522, 1302106), (20618, 980274), (21346, 946842), (24278, 832494), (30927, 653516), (31044, 651053), (32019, 631228), (33631, 600972), (36417, 554996), (41236, 490137), (42692, 473421), (48556, 416247), (50081, 403572), (61854, 326758), (64038, 315614), (67262, 300486), (72834, 277498), (100162, 201786), (100893, 200324), (123708, 163379), (128076, 157807), (134524, 150243), (138749, 145668)]