20131720575

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:617

約数の個数: 96

約数和(自身を含む): 34647782400

約数和(自身を除く): 14516061825

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 167, 197, 199, 205, 501, 591, 597, 615, 835, 985, 995, 1025, 2505, 2955, 2985, 3075, 4175, 4925, 4975, 6847, 8077, 8159, 12525, 14775, 14925, 20541, 24231, 24477, 32899, 33233, 34235, 39203, 40385, 40795, 98697, 99699, 102705, 117609, 121155, 122385, 164495, 166165, 171175, 196015, 201925, 203975, 493485, 498495, 513525, 588045, 605775, 611925, 822475, 830825, 980075, 1348859, 1362553, 1607323, 2467425, 2492475, 2940225, 4046577, 4087659, 4821969, 6546901, 6744295, 6812765, 8036615, 19640703, 20232885, 20438295, 24109845, 32734505, 33721475, 34063825, 40183075, 98203515, 101164425, 102191475, 120549225, 163672525, 268422941, 491017575, 805268823, 1342114705, 4026344115, 6710573525, 20131720575]

約数ペア:

[(1, 20131720575), (3, 6710573525), (5, 4026344115), (15, 1342114705), (25, 805268823), (41, 491017575), (75, 268422941), (123, 163672525), (167, 120549225), (197, 102191475), (199, 101164425), (205, 98203515), (501, 40183075), (591, 34063825), (597, 33721475), (615, 32734505), (835, 24109845), (985, 20438295), (995, 20232885), (1025, 19640703), (2505, 8036615), (2955, 6812765), (2985, 6744295), (3075, 6546901), (4175, 4821969), (4925, 4087659), (4975, 4046577), (6847, 2940225), (8077, 2492475), (8159, 2467425), (12525, 1607323), (14775, 1362553), (14925, 1348859), (20541, 980075), (24231, 830825), (24477, 822475), (32899, 611925), (33233, 605775), (34235, 588045), (39203, 513525), (40385, 498495), (40795, 493485), (98697, 203975), (99699, 201925), (102705, 196015), (117609, 171175), (121155, 166165), (122385, 164495)]