20305350

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 61268400

約数和(自身を除く): 40963050

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 89, 90, 117, 130, 135, 150, 169, 178, 195, 225, 234, 267, 270, 325, 338, 351, 390, 445, 450, 507, 534, 585, 650, 675, 702, 801, 845, 890, 975, 1014, 1157, 1170, 1335, 1350, 1521, 1602, 1690, 1755, 1950, 2225, 2314, 2403, 2535, 2670, 2925, 3042, 3471, 3510, 4005, 4225, 4450, 4563, 4806, 5070, 5785, 5850, 6675, 6942, 7605, 8010, 8450, 8775, 9126, 10413, 11570, 12015, 12675, 13350, 15041, 15210, 17355, 17550, 20025, 20826, 22815, 24030, 25350, 28925, 30082, 31239, 34710, 38025, 40050, 45123, 45630, 52065, 57850, 60075, 62478, 75205, 76050, 86775, 90246, 104130, 114075, 120150, 135369, 150410, 156195, 173550, 225615, 228150, 260325, 270738, 312390, 376025, 406107, 451230, 520650, 676845, 752050, 780975, 812214, 1128075, 1353690, 1561950, 2030535, 2256150, 3384225, 4061070, 6768450, 10152675, 20305350]

約数ペア:

[(1, 20305350), (2, 10152675), (3, 6768450), (5, 4061070), (6, 3384225), (9, 2256150), (10, 2030535), (13, 1561950), (15, 1353690), (18, 1128075), (25, 812214), (26, 780975), (27, 752050), (30, 676845), (39, 520650), (45, 451230), (50, 406107), (54, 376025), (65, 312390), (75, 270738), (78, 260325), (89, 228150), (90, 225615), (117, 173550), (130, 156195), (135, 150410), (150, 135369), (169, 120150), (178, 114075), (195, 104130), (225, 90246), (234, 86775), (267, 76050), (270, 75205), (325, 62478), (338, 60075), (351, 57850), (390, 52065), (445, 45630), (450, 45123), (507, 40050), (534, 38025), (585, 34710), (650, 31239), (675, 30082), (702, 28925), (801, 25350), (845, 24030), (890, 22815), (975, 20826), (1014, 20025), (1157, 17550), (1170, 17355), (1335, 15210), (1350, 15041), (1521, 13350), (1602, 12675), (1690, 12015), (1755, 11570), (1950, 10413), (2225, 9126), (2314, 8775), (2403, 8450), (2535, 8010), (2670, 7605), (2925, 6942), (3042, 6675), (3471, 5850), (3510, 5785), (4005, 5070), (4225, 4806), (4450, 4563)]